ZyXEL GS2200-8HP User Guide - Page 201
DHCP Snooping Port Con
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Chapter 25 IP Source Guard Table 70 DHCP Snooping Configure (continued) LABEL Timeout interval Write delay interval Renew DHCP Snooping URL DESCRIPTION Enter how long (10-65535 seconds) the Switch tries to complete a specific update in the DHCP snooping database before it gives up. Enter how long (10-65535 seconds) the Switch waits to update the DHCP snooping database the first time the current bindings change after an update. Once the next update is scheduled, additional changes in current bindings are automatically included in the next update. Enter the location of a DHCP snooping database, and click Renew if you want the Switch to load it. You can use this to load dynamic bindings from a different DHCP snooping database than the one specified in Agent URL. Apply Cancel When the Switch loads dynamic bindings from a DHCP snooping database, it does not discard the current dynamic bindings first. If there is a conflict, the Switch keeps the dynamic binding in volatile memory and updates the Binding collisions counter in the DHCP Snooping screen (Section 25.4 on page 196). Click Apply to save your changes to the Switch's run-time memory. The Switch loses these changes if it is turned off or loses power, so use the Save link on the top navigation panel to save your changes to the non-volatile memory when you are done configuring. Click this to reset the values in this screen to their last-saved values. 25.5.1 DHCP Snooping Port Configure Use this screen to specify whether ports are trusted or untrusted ports for DHCP snooping. Note: If DHCP snooping is enabled but there are no trusted ports, DHCP requests cannot reach the DHCP server. GS2200-8/24 User's Guide 201